Monitoring electrical apparatus against overheating by the use o

Details Monitoring electrical apparatus against overheating by the use o Monitoring electrical apparatus against overheating by the use o

1976-06-01

1977-04-12

Marquis, Melvyn I.

Measuring and testing

Gas content of a liquid or a solid

By vibration

260 2EP, 260 25EP, 260 328EP, 260 332EP, 260 334EP, 260 336EP, 260 37EP, 260141, 260142, C08K 501, C08L 6300, G01N 700

Patent

active

040167453

ABSTRACT:
A composition is disclosed of a diazonium salt, a resinous carrier, and a solvent. The composition is applied to a portion of an electrical apparatus which is exposed to a gas stream. The solvent in the composition is evaporated to produce a thermoparticulating coating. When the electrical apparatus overheats the diazonium salt in the coating forms particles in the gas stream which are detected by a monitor.

REFERENCES:
patent: 1999723 (1935-04-01), Flett
patent: 2658876 (1953-11-01), Reynolds
patent: 2828300 (1958-03-01), VON Glahn
patent: 3257841 (1966-06-01), Lawrence
patent: 3332936 (1967-07-01), Diekmann
patent: 3427880 (1969-02-01), Grobel et al.
patent: 3705117 (1972-12-01), Vargiu
patent: 3978397 (1976-08-01), Burry et al.

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